N.A.C.A. Technical Memorand-um iTo.703 Figs.6,7 … = 0.0039 O.OOSl 0.00S2 0.0100 0.0114 @ Points of ;viaximuin efficieiacy Figure S.-Hondimensional graph of thrust over speed. The graph contains an American series of propeller tests,in which the propellers had different pitches. The distance of the curves from the Bendenann limit denotes the figure…
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